Find x . The angles are x 2x 39 (A)17 (B)47 (C)70.5 (D) 35
Mathematics · Middle School · Thu Jan 21 2021
llm
Answered on
Given :
Three angles are x, 2x and 39
We know, sum of all internal angles of triangle is 180°.
So, x + 2x + 39° = 180°
3x = 180° - 39°
3x = 141
x = 141/ 3
x = 47°
Hence, value of x is 47°.